54. which of the following provides supporting evidence for the accepted age of the earth?
select one:
a. radiometric dates of meteorites
b. solar mass and luminosity
c. radiometric dates of lunar samples
d. radiometric dates of ancient sedimentary zircon
e. all of the above
55. which type of volcano would be least likely to erupt explosively?
select one:
a. a very large one that has a very broad gentle slope that looks like a warriors shield from a distance.
b. one that has felsic magma/lava and lots of gas
c. one that has mafic magma/lava and lots of gas
d. both answers a and c
e. none of the above
56. which volcanic hazard will travel the farthest from the vent?
select one:
a. lahar
b. pyroclastic flow
c. ash
d. volcanic bomb
57. which volcanic hazard will travel the fastest?
select one:
a. lava flow
b. ash
c. pyroclastic flow
d. lahar
58. which volcanoes tend to have explosive eruptions?
select one:
a. cinder cones
b. shield volcanoes
c. stratovolcanoes
d. fissures at divergent zones
59. which volcanoes tend to have effusive eruptions?
select one:
a. fissures at divergent zones
b. shield volcanoes
c. stratovolcanoes
d. cinder cones
e. a and b
f. a and c
60. why is there a chain of active volcanoes along the coast of south america?
select one:
a. divergent zone
b. hotspot
c. subduction zone
d. continental collision
61. why would a volcano erupt non explosively?
select one:
a. high viscosity magma and low water content
b. low viscosity magma and low water content
c. high viscosity magma and high water content
d. low viscosity magma and high water content
e. it is unknown why
62. you are a tourist in an active volcanic region. you are out on a hike through the woods on a calm sunny day and you come across a large depression in the ground that has a dead deer and a dead bear at the bottom. the most appropriate action you could take would be
select one:
a. make a note of the location and report your findings to the authorities without getting a closer look
b. tell your friend who is in better physical condition to run down there to get you a bear claw as a souvenir.
c. turn to your friend and say "oh deer, i could hardly bear the sight" before climbing in for a picture of yourself with the dead animals.
63. you’re at the coast and you feel a large earthquake. a few minutes later you hear a rumbling sound and a person comes running from the beach shouting—"there is a tidal wave coming! " what is your most appropriate response?
select one:
a. argue with that person—tell them you took a class and know that earthquakes don’t cause tidal waves.
b. finish your coffee and put on your water wings.
c. head immediately for higher ground inland warning people along the way.
d. head down to the beach to have a look.